Home / 25,133.90-37,698.41-12,648.96

Finding the Fourth Proportional to 25,133.90, 37,698.41 and 12,648.96

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Solution

The fourth proportional to 25,133.90, 37,698.41 and 12,648.96 is: 18,972.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,133.90 : 37,698.41 = 12,648.96 : x
  2. Step 2: Convert to fraction form
    25,133.90/37,698.41 = 12,648.96/x
  3. Step 3: Cross multiply
    25,133.90x = 37,698.41 × 12,648.96
  4. Step 4: Simplify right side
    25,133.90x = 476,845,711.78
  5. Step 5: Solve for x
    x = 476,845,711.78/25,133.90
  6. Step 6: Final answer
    x = 18,972.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.